Automatic temperature monitoring with escalating alerts and auto-911 dialing when a child is left in a hot vehicle.
Watch the temperature escalation and auto-alert sequence
"If you're in a car and it gets too hot, the bracelet knows — it buzzes, tells your parents, and if nobody comes, it calls 911 all by itself. It's like having a superhero on your wrist that watches the temperature for you."
The bracelet continuously monitors ambient temperature and barometric pressure. When it detects the signature pattern of a closed vehicle (rising temperature + stable pressure + minimal motion), it enters Hot Car Watch mode.
Alert escalation follows a strict timeline: at 85°F, a gentle vibration reminds the child. At 90°F, all guardians receive push notifications. At 95°F, the bracelet activates its audible alarm. At 104°F, it auto-dials 911 with GPS coordinates.
The system distinguishes between a hot car and outdoor play by cross-referencing barometric pressure (sealed vehicle vs open air), UV index (no sunlight in a car), and motion patterns (confined space vs free movement).
Even if the phone is out of range, the bracelet stores the temperature curve and GPS coordinates locally, transmitting them as soon as connectivity is restored.
| Temperature Sensor | ±0.1°C accuracy, skin + ambient |
| Warning Threshold | 85°F (29.4°C) — vibration |
| Guardian Alert | 90°F (32.2°C) — push notification |
| Audible Alarm | 95°F (35°C) — 85dB speaker |
| Auto-911 | 104°F (40°C) — emergency call with GPS |
| Detection Method | Temp + barometric + UV + motion fusion |
| False Positive Prevention | Sealed-vehicle signature matching |
| Response Time | <30 seconds from threshold breach |
| Battery Impact | Negligible (passive monitoring) |
| Offline Capable | Yes — stores data, transmits when connected |
Select a temperature zone and watch the full escalation sequence — from pre-alert monitoring to auto-911 dialing.
SafeStep's onboard temperature sensor continuously monitors ambient temperature. If a child is left in a vehicle, escalating alerts fire within seconds — and 911 is auto-dialed if no guardian responds.
Temperature within safe range. All systems nominal.
Onboard NTC thermistor samples ambient temperature 4x per second with ±0.5°F accuracy.
Accelerometer stillness + rapid temp rise + GPS stationary = enclosed vehicle confirmed.
Escalating from gentle reminder → urgent alarm → all guardians → 911 auto-call.
If no guardian responds within 120 seconds, 911 is auto-dialed with GPS coordinates and child profile.
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Ready to protect your child?